MBA Exam

For which of the following ranges of x, is the inequality { x(x+1)(x+3)/(x-4) } > 0 necessarily false?pls sb elaborate the apt procedure for this type of questions....

1) -3 ≤ x ≤ -1
2) -1 ≤ x < 0
3) -3 < x < 4
4) x>4

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MBA Other Question

Allen rides his bike at a constant speed. Similarly, he jogs and
swims at a constant speed. Allen covers a total distance of 74 km after
riding his bike, jogging and swimming for 2, 3 and 4 hours respectively.
However, if he jogs, swims and rides his bike for 2, 3 and 4 hours
respectively, he covers 91 km in all.If Allen’s biking, jogging, and swimming speeds, in km/hr, are integers,
then the sum of the squares of Allen’s biking, jogging and
swimming speed can be?Tag me for d explanation plz.....

1) 296
2) 314
3) 337
4) 378
5) NOT
N = 1^1 * 2^2 * 3^6 * 4^12 * 5^20 ..... 25 terms. Find the highest power of 75 that can divide N.

1) 1900
2) 1850
3) 1200
4) 2526
5) None of these